What tools can you use for measuring mass?

Answers

Answer 1

Answer:

With a balance

Explanation:

Such as an electronic balance and a triple beam balance

Answer 2

The tools that one can use for measuring mass are Balance or Scale, Weighing Machine, Triple Beam Balance, etc.

A balance or scale is a frequently used tool for precisely measuring mass. Usually, it consists of a pan or platform where the thing whose mass is being measured is set.

Weighing Machines: Weighing machines are electronic devices that measure mass and are frequently seen in homes and commercial settings.

Mechanical balance with three beams and movable weights, the triple beam balance has three beams.

Digital Kitchen Scale: When baking and cooking, digital kitchen scales are frequently utilised. They offer convenient and quick mass measurements for the constituents, usually presenting the results digitally.

Thus, these are only a few types of mass measurement equipment.

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Related Questions

Si la aceleración de gravedad en la superficie del planeta Mercurio es de 3,7 m/s2, entonces ¿cuál sería el peso de una persona de 60 kg de masa que se encuentre sobre su superficie?

Answers

Answer:

W = 222 N.

Explanation:

The qiestion says" If the acceleration of gravity on the surface of the planet Mercury is 3.7 m / s2, then what would be the weight of a person with mass 60 kg on its surface? "

Mass of the person, m = 60 kg

The acceleration due to gravity on the surface of gravity is 3.7 m/s²

We need to find the weight of a person on the surface of Mercury.

Weight of an object is given by :

W = mg

So,

W = 60 kg × 3.7 m/s²

W = 222 N

Hence, the person will weigh 2222 N on the surface of Moon.

A moving object is in equilibrium. Which best describes the motion of the object if no forces change?
O It will change directions.
O It will slow down and stop.
O It will maintain its state of motion.
O It will speed up and then slow down.

Answers

Answer:

It will maintain its state of motion

Explanation:

The object would maintain its state of motion.

What does it mean when an object is in equilibrium?

If the size and direction of the forces acting on an object are exactly balanced, then there is no net force acting on the object and the object is said to be in equilibrium.

What does equilibrium mean in physics?

Equilibrium, in physics, the condition of a system when neither its state of motion nor its internal energy state tends to change with time.

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A cliff diver from the top of a 100 (m) cliff. He begins his dive by jumping up with a velocity of 5 (m/s) a. How
long does it take for him to hit the water below? b. What is his velocity right before he hits the water?

Answers

Answer:

A.) 4.81 seconds

B.) 44.6 m/s

Explanation:

He begins his dive by jumping up with a velocity of 5 (m/s).

Let us first calculate the maximum height reached by using third equation of motion

V^2 = U^2 - 2gH

At maximum height, V = 0

0 = 5^5 - 2 × 9.8H

19.6H = 25

H = 25 /19.6

H = 1.28 m

The time taken for the diver to reach the water from the maximum height can be calculated by using second equation of motion.

Where height h = 1.28 + 100 = 101.28 m

h = Ut + 1/2gt^2

As the diver drop from maximum height, U = 0

101.28 = 1/2 × 9.8 × t^2

4.9t^2 = 101.28

t^2 = 101.28/4.9

t^2 = 20.669

t = sqrt ( 20.669)

t = 4.55s

As the diver jumped up, the time taken to reach the maximum height will be

Time = 1.28 / 5 = 0.256

The time taken for him to hit the water below will be 0.256 + 4.55 = 4.81 seconds

B.) Velocity right before he hits the water will be

V^2 = U^2 + 2gH

But U = 0

V^2 = 2 × 9.8 × 101.28

V^2 = 1985.09

V = 44.6 m/s

A.) The time taken should be 4.81 seconds

B.) The velocity should be 44.6 m/s

Calculation of the time taken and velocity:

Here we used third equation of motion

V^2 = U^2 - 2gH

At maximum height, V = 0

Now

0 = 5^5 - 2 × 9.8H

19.6H = 25

H = 25 /19.6

H = 1.28 m

Here the second equation of motion.

Here height h = 1.28 + 100 = 101.28 m

So,

h = Ut + 1/2gt^2

Since the diver drop from maximum height, U = 0

So,

101.28 = 1/2 × 9.8 × t^2

4.9t^2 = 101.28

t^2 = 101.28/4.9

t^2 = 20.669

t = sqrt ( 20.669)

t = 4.55s

Now

Time = 1.28 / 5 = 0.256

Finally the time should be

=  0.256 + 4.55

= 4.81 seconds

B.)

We know that

V^2 = U^2 + 2gH

But U = 0

So,

V^2 = 2 × 9.8 × 101.28

V^2 = 1985.09

V = 44.6 m/s

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Which property of an object is the result of gravity?
O A. Weight
B. Mass
O C. Velocity
OD. Volume

Answers

Answer:

it's (A) weight I think

Answer:

A. Weight

Explanation: Weight is defined as the amount of force placed on an object from gravity which means it is directly reliant on the force of gravity while the other choices are not. Neither Mass, volume, or velocity is impacted by gravity as much as weight, velocity is the direction of speed, mass is the resistance that a body of matter offers to a change in its speed or position upon the application of a force, and volume is the amount of space an object takes. As you can see none of these componant have gravity as a determining factor other than weight since weight is determined by the gravity which is why the weight of an object can vary if your on earth or on the moon since the gravity is different.

you throw a basketball straight up into the air with a speed of 24.5m/s. how long does it take to reach its highest point

Answers

Answer:

2.5 seconds.

Explanation:

Time equals speed divided by acceleration. gravitational acceleration is equal to 9.8 [tex]\frac{m}{s^{2} }[/tex]. You know that the speed is equal to 24.5 m/s, so plug those values into the equation.

24.5 / 9.8 = 2.5 seconds.

Hope this helps!

Answer:  2.5 s

Time=speed/acceleration

Gravitational Acceleration=9.8 m/s^2

Speed=24.5 m/s

Time=24.5/9.8=2.5 s

hopes this helps UwU

and if like my answer can you please mark me as brainliest please

thank you

and sorry it took so long i was trying to catch up with my missing assignments  

Does the earth emit visible light or heat

Answers

Answer:

Heat

Explanation:

the earth visible heat

using the following choice identify the choice that the best describe homeostasis.
1-maintaining internal balance
2-energy
3-unequal distribution
4-diffusion ​

Answers

Answer:

maintaining internal balance

Explanation:

this question is in biology not physics

Study habits include
a.
How you prepare for assignments
c.
What questions you ask your teacher
b.
How you take tests
d.
All of these


Please select the best answer from the choices provided

A
B
C
D

Answers

Answer:

D

Explanation:

Study habits include, how you prepare for assignments, what questions you ask your teacher, and How you take tests, all of these come under study habits, therefore the correct answer is option D.

What is science?

The deliberate evidenced based quest and application of information and comprehension of the natural implications for society is what is known as research.

Science is a methodology of discovering more about the world.

People may contribute to the development of new knowledge through science and utilize it to promote their objectives.

A student's study habits include factors like how they approach tasks, questions they ask their professors, and how they prepare for the exam

Thus, the correct answer is option D.

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What allows negative feedback to control a system?
A. The system slows down when input is reduced.
B. The system speeds up when output is increased.
C. The system has parts that sense the amount of input O
D. The system has parts that sense the amount of output. ​

Answers

Answer: It's D.

Explanation:

I just did it.

The system has parts that sense the amount of output, allows negative feedback to control a system. Option D is correct.

What is system?

A system is a collection of interconnected or interacting pieces that follow a set of rules to produce a coherent whole.

The limits, structure, and purpose of a system, which is surrounded and impacted by its environment, are characterized and expressed in its functioning.

A feedback system helps the system to work in the productive way. Negative comments might help you get back on track. It allows you to view projects and activities in a new light.

It allows you to learn, grow, and improve anything from your own talents to the project you're working on right now.

The system has parts that sense the amount of output, allows negative feedback to control a system.

Hence, option D is correct.

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the unit of energy is derived unit. ( give reasons) ​

Answers

Answer:

Because it is made by two different unit force (F) and displacement(s)

2.(02.07 MC)
The table below shows data of sprints of animals that traveled 75 meters. At each distance marker, the animals' times were recorded. Which animal moves with non-accelerated motion? (2 points)
Time at Distance Markers
25 meters 50 meters 75 meters
Animal
Animal 1 3 seconds
4.5 seconds 5 seconds
5.25 seconds
Animal 2 4.5 seconds 5 seconds
Animal 3 3.5 seconds 7 seconds
10.5 seconds
Animal 4 5 seconds
10 seconds
13 seconds
O Animal 1
O Animal 2
O Animal 3
O Animal 4

Answers

The answer is Animal 1

What is the wavelength of a wave with a speed of 20 m/s and a frequency of 20 Hz?

Answers

Wavelength =(speed)/(frequency)

Wavelength =(20 m/s) / (20/s)

Wavelength = 1 meter

Free fall kinematics

Percy threw a penny straight down off the Empire State building. The building is 354 m tall. If he threw the penny down such that it left his hand at 35 m/s, what is the acceleration of the penny? What will the velocity of the coin that Percy threw be when it hits the pavement?

Answers

Answer:

90.4 m/s

Explanation:

Take down to be positive.  For objects in free fall, the acceleration is 9.8 m/s².

Given:

Δy = 354 m

v₀ = 35 m/s

a = 9.8 m/s²

Find:

v² = v₀² + 2aΔy

v² = (35 m/s)² + 2 (9.8 m/s²) (354 m)

v = 90.4 m/s

What is the phase of water when its temperature is 150 °C?

Answers


Depending on how much energy is in the system, there will be different amounts of liquid and gas at equilibrium. If just enough energy was added to raise the temperature of the liquid to 150°C, there will just be liquid. If more was added, there will be some liquid and some gas.

i need help i don’t understand

Answers

Answer:

precise

Explanation:

im pretty sure

hey can anyone pls help me out in dis!

Answers

Answer:

A. Liquid becomes a gas.

Answer:

A

Explanation:

Water changes to liquid because hydrogen bonds are constantly formed and broken as the water molecules slide past each other. The breaking of these bonds is caused by the motion (kinetic energy) of the water molecules due to the heat contained in the system.

What is radiation? Transfer of heat through objects touching the source. Transfer of heat through direct physical contact. Transfer of heat through electromagnetic waves. Transfer of heat through the movement of particles.

Answers

Answer:

Transfer of heat through electromagnetic waves

Answer:

Transfer of heat through electromagnetic waves.

I got it right in a test

What are the 4 categories that makes the human body

Answers

Answer:

epithelial, muscle, nervous, and connective tissues.

Explanation:

a kid is running at an average speed of 6.8mi/h. how long does it take this kid to run a mile? convert to meters

Answers

Answer:

t = 8.82 minutes

Explanation:

The average speed of an object is given bu the total distance covered divided by total time taken.

The average speed of a kid is 6.8 mi/h

Let t is the time taken by this kid to run a mile, d = 1 mile

[tex]v=\dfrac{d}{t}\\\\t=\dfrac{d}{v}\\\\t=\dfrac{1\ \text{miles}}{6.8\ \text{mi/h}}\\\\t=0.147\ \text{hour}[/tex]

or

t = 8.82 minutes

So, it will take 8.82 minutes to run a mile.

A hot air balloon is traveling vertically upward at a constant speed of 7.0 m/s.
When it is 21 m above the ground, a package is released from the balloon. For
how long is it in the air?

Answers

Answer:

The time spent in air by the package is 1.5 s

Explanation:

Given;

speed of the balloon, v = 7.0 m/s

distance traveled by the balloon, d = 21 m

The time spent by the object in the air is give by;

d = vt + ¹/₂gt²

21 = 7t + ¹/₂(9.8)(t²)

21 = 7t + 4.9t²

4.9t² + 7t -21 = 0

solve this quadratic expression, and the value of t will be

t = 1.5 s

Therefore, the time spent in air by the package is 1.5 s

1. A science class is studying seeds. They plan to measure the length, height, and mass of different types of seeds. Which of these items should the class use to record their measurements as the class takes the measurements? *

A.camera
B.drawing
C.graph
D.data table

Answers

Answer: D. data table

You can easily get rid of A and B because they don’t tell you a lot about your plant on their own. As for C you could use a graph but they’re only good at giving you two forms of data, which are usually dependent data and time and you need three forms of data. Finally a table can hold as many different data points as you need and because you need three it would be wise to use a table not a graph.

There are 100 simple pendulums in a room having identical bobs which are displaced to different extents but only 25 of these pendulums have different time periods. What do you think would be the reason?

Answers

Explanation:

The time period of a simple pendulum is given by :

[tex]T=2\pi \sqrt{\dfrac{L}{g}}[/tex]

L is length of the pendulum and g is acceleration due to gravity

It is very much clear that the time period depends on the length of the pendulum.

In this problem, there are 100 simple pendulums in a room having identical bobs which are displaced to different extents but only 25 of these pendulums have different time periods. The only reason for 25 pendulums having different time periods is that they have different lengths than the other 75 pendulums.

an athlete runs around a 400m race track four times it takes him 400s to complete his run

Answers

Answer: its taking him 100s to run around the track once

Explanation:

A car travels 200 miles in 8 hours calculate the cars speed

Answers

Answer:

25 mi/hr

Explanation:

Distance = 200 miles

Time = 8 hours

[tex]Speed = \frac{Distance}{Time}[/tex]

Substitute values into the given equation and solve.

[tex]Speed = \frac{200}{8} \\\\Speed = 25 \:miles/hour[/tex]

A car travels 200 miles in 8 hours is 25 miles/h (25 mph).

What is Speed?

The speed of an object is defined as the magnitude of change of its position with time or the magnitude of change of its position per unit time. It is a scalar quantity which has only magnitude , no direction.

It can be expressed as:

[tex]s = \frac{d}{t}[/tex]

s = speed

d = distance traveled

t = time elapsed

The SI unit of speed is metre per second. (m/s)

For above given information,

Distance = 200 miles

Time= 8 hours

So, speed will be 200 miles/ 8 hrs

Speed = 25 miles/hr or 25 mph.

Thus , a car travels 200 miles in 8 hours is 25 miles/h (25 mph).

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does uniform acceleration means increasing acceleration?

Answers

Yes. It means that the acceleration increases at a constant rate, for example 3 mph every second.

what property do all of the group 18 elements have that makes them stand out from other elements on the periodic table

Answers

Answer:

The noble gases are a group of chemical elements that make up Group 18 on the periodic table. These gases all have similar properties under standard conditions: they are all odorless, colorless, monatomic gases with very low chemical reactivity.

Jan ran 4 miles north in 28 minutes. What was Jan's average velocity?

Answers

Answer:

3.83 m/s

Explanation:

Given that,

Distance covered by Jan, d = 4 miles

1 mile = 1609.34 m

4 miles = 6437.38 m

Time, t = 28 minutes = 1680 s

Jan's average speed,

v = d/t

[tex]v=\dfrac{6437.38\ \text{m}}{1680\ \text{s}}\\\\v=3.83\ \text{m/s}[/tex]

Hence, the average velocity of Jan is 3.83 m/s.

In many locations, old abandoned stone quarries have become filled with water once excavating has been completed. While standing on a 10.0 m high quarry wall, Clarence tosses a piece of granite into the water below. If Clarence throws the rock horizontally with a velocity of 3.0 m/s how far out from the edge of the cliff will it hit the water?

Answers

Answer:

Explanation:

Let us calculate the time of flight first using the formula;

Velocity = Displacement/Time

Time = Displacement/speed

Time = 10.0/3

Time = 3.33secs

Next is to calculate how far out from the edge of the cliff it will hit the water. To get that, we will use the equation of motion;

S= ut+1/2gt²

u is the initial velocity = 0m/s

g is the acceleration due to gravity = 9.81m/s

S = 0 + 1/2(9.81)(3.33)²

S = 4.905*3.33*3.33

S = 54.39m

Hence it will hit the water at 54.39m from the edge of the cliff

Answer:

It will hit the water at [tex]4.28m[/tex] off the cliff

Explanation:

Applying kinematic relations along vertical direction

[tex]y = V_0t + \frac{1}{2}a_yt^2[/tex]

where,

[tex]a_y = g[/tex]

therefore,

[tex]y = 0 + \frac{1}{2}gt^2[/tex]

The time taken

[tex]t = \sqrt{\frac{2y}{g}}\\\\t = \sqrt{\frac{2*10}{9.8}}\\\\t = 1.428s[/tex]

The horizontal distance

[tex]x = V_yt\\\\x = 3*1.428\\\\x = 4.28m\\\\[/tex]

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Which is directly proportional to your weight on a planet's surface?
A. Only the mass of the planet
B. The distance from the surface to the center of the planet
C. Only your mass
D. Your mass and the mass of the planet

Answers

Answer:

D your mass  the mass of the planet .

Explanation:

Answer: your mass and the mass of the planet

Explanation:

differences between a pair of scissors and nailcutter​

Answers

Answer:

Different classes of levers

Explanation:

The main difference between a pair of scissors and nailcutters is that they are different classes of levers. Scissors are made from two class 1 levers, meaning that the effort is exerted at one end and the load at the other with the fulcrum in the middle. This is because we press one end together (the handles) so we are applying the effort, and the other side closes from the fulcrum in the middle.

Nailcutters on the other hand, consist of two class 2 levers. This means that the fulcrum is on the opposite end to the effort with the load in the middle. This is because we press down on one side and the two parts move closer together.

Hope this helped!

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